/Engine/Source/Runtime/CoreUObject/Public/UObject/Class.h
Determines if two functions have an identical signature (note: currently doesn't allow matches with class parameters that differ only in how derived they are; there is no directionality to the call)
true if function signatures are compatible.
bool IsSignatureCompatibleWith ( const [UFunction](API\Runtime\CoreUObject\UObject\UFunction) * OtherFunction ) const